Kitchen sink



FIG. 1 is a front right side perspective view of a second embodiment of my new kitchen sink;

FIG. 2 is a front elevation of the kitchen sink of FIG. 1;

FIG. 3 is a rear elevation of the kitchen of FIG. 1;

FIG. 4 is a right side elevation of the kitchen sink of FIG. 1;

FIG. 5 is a left side elevation of the kitchen sink of FIG. 1;

FIG. 6 is a top plan view of the kitchen sink of FIG. 1; and,

FIG. 7 is a bottom plan view of the kitchen sink of FIG. 1. 

The ornamental design for a kitchen sink, as shown and described. 